What does imply mean in maths? - Mathematics Stack Exchange What does it mean for something to imply something else in maths? I don't think I've grasped this concept and it's making understanding theorems and proofs really difficult I think it might be the
logic - Difference between $\implies$ and $\;\therefore . . . Sometimes a single right arrow is used, which has the same meaning It is very common to use the \implies symbol instead of "therefore", but since "implies" and "therefore" have significantly different meanings, this is very bad writing
Difference between implies and turnstile symbols (→ and ⊢) Now 'A implies B' gets used in informal talk both as variant on 'if A then B' and as a variant of 'A logically entails B', i e as both what we might regiment as 𝐴→𝐵 and as 𝐴⊢𝐵 [or 𝐴⊨𝐵] And low and behold, we find being confusingly used both ways [in the object language, or in the metalanguage]
Difference between AND Implies - Mathematics Stack Exchange I have problem understanding the difference between using Implies and and in first order logic expressions If we take a statement "everyone in this A I class has taken a course in mathematical
Implies ($\Rightarrow$) vs. Entails ($\models$) vs. Provable ($\vdash$) As for '$\Rightarrow$', this -- like the informal use of 'implies' -- seems to be used (especially by non-logicians), in different contexts for any of these three It is also used, differently again, for the relation of so-called strict implication, or as punctuation in a sequent